251 | Lake Mutanda in the Kigezi District |
252 | A user's guide to the River Thames |
253 | The River Ogmore action plan support document |
254 | About the North West region : factfile |
255 | On duty round the clock : fact file |
256 | The National Rivers Authority : fact file |
257 | Evaluation of the Close Season in Canals |
258 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
259 | Factors affecting the dispersal of coarse fish |
260 | Sustainability examples from the USA and Canada |
261 | Site supervision of the Beach Nourishment Scheme |
262 | Changes to the water abstraction licensing system |
263 | The Tame catchment (NRA Severn-Trent 67) |
264 | Fishery survey of the Doniford Stream 1994 |
265 | Fishery survey of the Horner Water catchment |
266 | Fishery survey of the River Yeo catchment |
267 | Fishery survey of the Congresbury Yeo, 1994 |
268 | Fishery survey of the River Isle catchment |
269 | Determining The Freshwater Flow Needs Of Estuaries |
270 | The Trophic Diatom Index: A User's Manual; |
271 | Shoreline management plans in the Anglian region |
272 | The future of shoreline management : conference papers |
273 | Duties and powers of the Environment Agency |
274 | Hydropower developments and the National Rivers Authority |
275 | Biological investigation of the Common Lake Stream |